Yefengs place was pleasant and nice. He himself was very accommodating and would give suggestions and links to do's and don'ts (I was not aware that plastic bags are now banned in Thailand). And was quick to follow up on things and would reply quickly. Also he is very polite. The staff were also quick to respond.
The apartment was great, our family of 4 (2 children) were comfortable at his place. We didn't use all the appliances but it didn't lack of anything. But there no channels on the TV as we could figure out and there were some issues with the AC - non of were a problem really. The apartment had all necessary products in shower and kitchen. Check-in was smooth as he provided a thorough manual for it, including maps for how to get there and use of appliances.
The location was great short walk to BTS between Nana and Asok Station. Close to Korea Town if you fancy karaoke and Korean food. The apartment complex offered shuttle for the complex to the main road. Didn't get to use them but the complex had great fitness room, swimming pool and onsen. Pool not quite suitable for children though.
We had a great stay at Yefeng's and would come again.